Development apparatus

Details Development apparatus Development apparatus

1985-06-13

1987-07-14

Moses, R. L.

Photocopying

Including fiber optics

118658, G03G 1509

Patent

active

046799281

ABSTRACT:
An apparatus in which an electrostatic latent image recorded on a moving photoconductive member is developed. The apparatus includes a developer roller having the exterior surface thereof substantially smooth for transporting developer material into contact with the photoconductive member in the development zone. The developer roller moves at a greater velocity than the photoconductive member. In this way, a portion of the developer material moves at substantially the same velocity as the photoconductive member and another portion of the developer material moves at substantially the same velocity as the developer roller. This induces shearing of the developer material. The developer material moving at a velocity less than the velocity of the developer roller is collected in the region of the entrance to the development zone resulting in an extension of the development zone.

REFERENCES:
patent: 3301152 (1967-01-01), Mayo et al.
patent: 3435276 (1969-07-01), Anderson
patent: 3849161 (1974-11-01), Klaenhammer
patent: 3872826 (1975-03-01), Hanson
patent: 3900001 (1975-08-01), Fraser et al.
patent: 4040387 (1977-08-01), Washio et al.
patent: 4235549 (1980-11-01), Eisbein et al.
patent: 4236485 (1980-12-01), Inukai et al.
patent: 4286543 (1981-09-01), Ohnuma et al.

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